Inner Planets

Front

Which planet is closest to the sun?

Back

Mercury

Front

The motion of a body orbiting another body in space is called _____

Back

revolution

Front

Which list places the inner planets in order from largest in size to smallest in size? Options: Venus, Earth, Mercury, Mars, Mercury, Mars, Venus, Earth, Earth, Venus, Mars, Mercury, Venus, Mars, Earth, Mercury

Back

Earth, Venus, Mars, Mercury

Front

Which two inner planets are known as "sister planets?"

Back

Venus and Earth

Front

___________ is the closest planet to the sun; and has a hot heavily cratered surface.

Back

Mercury

Front

The air on Venus is mostly ____.

Back

carbon dioxide

Front

Which planet is thought to have once had liquid water on it? Options: Mercury, Venus, Mars, Saturn

Back

Mars

Front

What are the inner planets composed of? Options: gases and ice, rock and ice, gases and rock, rock

Back

rock

Front

Which is the second closest planet to the sun?

Back

Venus

Front

This planet is known as the red planet

Back

Mars